CLL032-1212A5-273H3D2 Datasheet, PDF (4/12 Pages) CITIZEN ELECTRONICS CO., LTD. – This data sheet is applied to the LED package

DATA SHEET
3/11
(2) Electro-optical Characteristics
Parameter
Symbol Condition
Forward Voltage
V_F
IF=720mA
Luminous Flux
Φv
IF=720mA
CRI
Ra
Thermal Resistance Rj-c
IF=720mA
Junction-Case
Min.
33.6
1915
90
-
Typ.
36.2
2250
-
0.8
Max.
39.9
-
-
-
Chromaticity coordinates ( Condition : IF=720mA, Tc = 25C）
Tc=25C
Unit
V
lm
-
C/W
Center
Reference (ANSI C78.377)
x
y
x
y
0.4578
0.4101
Center 0.4578 0.4101
Oval parameter
a
0.4813 0.4319
a
0.00774
2700K
b
0.4562 0.4260
b
0.00411
c
0.4373 0.3893
θ°
57.28
d
0.4593 0.3944
*Color region stay within MacAdam "3-step" ellipse from the chromaticity center.
*The chromaticity center refers to ANSI C78.377:2008.
Please refer to ANSI C78.377 for the chromaticity center.
*θ is the angle between the major axis of the ellipse and the x-axis,
and a and b are the major and minor semi-axes of an ellipse. (Ref. IEC 60081:1997 AnnexD)
x-y chart-CIE1931
0.44
2900K 2700K
0.43
2500K
Color region
0.42
Color region
0.41
(ANSI)
B.B. Locus
0.40
0.39
2800K
2600K
0.38
0.43
0.44
0.45
0.46
0.47
0.48
0.49
x
Note: The tolerance of measurement at our tester is VF+/-3% , Φv+/-10% , Chromaticity(x,y)+/-0.005 and Ra+/-1.
Symbol
CITILED
Name
CLL032-1212A5-273H3D2
CITIZEN ELECTRONICS CO.,LTD. JAPAN
Ref.CE-P2580 11/13